<template>
  <div class="app-container">
    <el-form v-show="showSearch" ref="queryForm" :model="queryParams" :inline="true">
      <el-row>
        <el-col :span="20">
          <el-form-item label="角色名称" prop="roleName">
            <el-input v-model="queryParams.roleName" placeholder="请输入角色名称" clearable style="width: 170px" @keyup.enter.native="handleQuery"/>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="el-icon-search" size="small" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" size="small" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-col>
        <el-col :span="4" class="search-right">
          <el-button type="text" icon="el-icon-s-help" @click="batchRestoreRole">全部恢复默认菜单权限</el-button>
        </el-col>
      </el-row>
    </el-form>
    <el-table
      v-loading="loading"
      :data="roleList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="index" width="55" label="序号" align="center" />
      <el-table-column label="角色名称" prop="roleName" sortable align="center"/>
      <el-table-column label="创建日期" align="center" prop="createTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime, "{y}-{m}-{d}") }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" v-if="this.roleVisible === true">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-s-help" @click="restoreRole(scope.row.roleId)">恢复默认菜单权限</el-button>
        </template>
      </el-table-column>
    </el-table>
    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNumber"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"/>

    <!-- 添加或修改角色配置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="角色名称" prop="roleName">
          <el-input v-model="form.roleName" placeholder="请输入角色名称" disabled/>
        </el-form-item>
        <el-form-item label="数据权限">
          <el-select v-model="form.dataScope" style="width: 200px;">
            <el-option
              v-for="item in Object.keys(AUTH_STATUS)"
              :key="item"
              :label="AUTH_STATUS[item]"
              :value="item"
            />
          </el-select>
        </el-form-item>
        <el-form-item label="菜单权限">
          <el-checkbox v-model="menuNodeAll" @change="handleCheckedTreeNodeAll($event, 'menu')">全选/全不选</el-checkbox>
          <el-checkbox v-model="menuCheckStrictly" @change="handleCheckedTreeConnect($event, 'menu')">父子联动</el-checkbox>
          <el-tree
            ref="menu"
            class="tree-border"
            :data="menuOptions"
            show-checkbox
            node-key="id"
            :check-strictly="!menuCheckStrictly"
            empty-text="加载中，请稍后"
            :props="defaultProps"
          />
        </el-form-item>
        <el-form-item label="备注">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listRole,
  getRole,
  delRole,
  addRole,
  updateRole,
  exportRole,
  dataScope,
  changeRoleStatus,
  resetRole,
  batchResetRole
} from '@/api/system/role'
import { menuTreeselect, roleMenuTreeselect } from "@/api/system/menu";
import { getInfo } from "@/api/user";
import Pagination from "@/components/Pagination";

const ROLE_STATUS = {
  "0": "正常",
  "1": "停用"
};
const AUTH_STATUS = {
  "1": "所有数据权限",
  // '2': '本部门数据权限',
  "3": "本部门及以下数据权限",
  "4": "仅本人数据权限"
};
export default {
  name: "Role",
  components: { Pagination },
  data() {
    return {
      ROLE_STATUS,
      AUTH_STATUS,
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 角色表格数据
      roleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否显示弹出层（数据权限）
      openDataScope: false,
      menuNodeAll: false,

      // 菜单列表
      menuOptions: [],
      // 部门列表
      deptOptions: [],
      // 选择控制
      menuCheckStrictly: true,
      // 查询参数
      queryParams: {
        pageNumber: 1,
        pageSize: 20,
        roleName: "",
        roleKey: "",
        status: ""
      },
      // 表单参数
      form: {},
      defaultProps: {
        children: "children",
        label: "label"
      },
      claim: [],
      roleVisible: false,
      // 表单校验
      rules: {
        roleName: [{ required: true, message: "角色名称不能为空", trigger: "blur" }],
        roleKey: [{ required: true, message: "权限字符不能为空", trigger: "blur" }],
        roleSort: [{ required: true, message: "角色顺序不能为空", trigger: "blur" }]
      }
    };
  },

  created() {
    this.getList();
  },

  methods: {
    /** 查询角色列表 */
    getList() {
      this.loading = true;
      listRole(this.queryParams).then(response => {
          this.roleList = response.result.records || [];
          this.total = response.result.total;
          this.loading = false;
        }).catch(() => {
          this.loading = false;
        });
      getInfo().then(res => {
        this.claim = res.result.roles;
        if (this.claim.indexOf('admin') !== -1){
          this.roleVisible = true
        }else if (this.claim.indexOf('rl') !== -1){
          this.roleVisible = true
        }else if (this.claim.indexOf('zjl') !== -1){
          this.roleVisible = true
        }else {
          this.roleVisible = false
        }
      });
    },

    // 恢复默认菜单权限
    restoreRole(roleId) {
      this.$confirm("确定恢复默认菜单权限吗?", '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        resetRole(roleId).then(result => {
          if (result.code === 200) {
            this.$notify({
              title: '成功',
              message: result.message,
              type: 'success'
            })
            this.getList();
          } else {
            this.$notify({
              title: '失败',
              message: result.message,
              type: 'error'
            })
          }
        })
      }).catch(() => {})
    },

    // 批量恢复默认菜单权限
    batchRestoreRole() {
      this.$confirm("确定全部恢复默认菜单权限吗?", '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        batchResetRole().then(result => {
          if (result.code === 200) {
            this.$notify({
              title: '成功',
              message: result.message,
              type: 'success'
            })
            this.getList();
          } else {
            this.$notify({
              title: '失败',
              message: result.message,
              type: 'error'
            })
          }
        })
      }).catch(() => {})
    },

    /** 查询菜单树结构 */
    getMenuTreeselect() {
      menuTreeselect().then(response => {
        this.menuOptions = response.result;
      });
    },

    /** 查询部门树结构 */
    getDeptTreeselect() {
      // deptTreeselect().then(response => {
      //   this.deptOptions = response.data
      // })
    },

    // 所有菜单节点数据
    getMenuAllCheckedKeys() {
      // 目前被选中的菜单节点
      const checkedKeys = this.$refs.menu.getCheckedKeys();
      // 半选中的菜单节点
      const halfCheckedKeys = this.$refs.menu.getHalfCheckedKeys();
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys);
      return checkedKeys;
    },

    // 所有部门节点数据
    getDeptAllCheckedKeys() {
      // 目前被选中的部门节点
      const checkedKeys = this.$refs.dept.getCheckedKeys();
      // 半选中的部门节点
      const halfCheckedKeys = this.$refs.dept.getHalfCheckedKeys();
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys);
      return checkedKeys;
    },

    /** 根据角色ID查询菜单树结构 */
    getRoleMenuTreeselect(roleId) {
      return roleMenuTreeselect(roleId).then(response => {
        this.menuOptions = response.result.treeSelect;
        return response.result;
      });
    },

    /** 根据角色ID查询部门树结构 */
    getRoleDeptTreeselect(roleId) {
      // return roleDeptTreeselect(roleId).then(response => {
      //   this.deptOptions = response.depts
      //   return response
      // })
    },

    // 角色状态修改
    handleStatusChange(row) {
      const text = row.status === "0" ? "启用" : "停用";
      this.$confirm('确认要"' + text + '""' + row.roleName + '"角色吗?', "警告",
        { confirmButtonText: "确定", cancelButtonText: "取消", type: "warning" }
      ).then(function() {
          return changeRoleStatus(row.roleId, row.status);
        }).then(() => {
          this.msgSuccess(text + "成功");
        }).catch(function() {
          row.status = row.status === "0" ? "1" : "0";
        });
    },

    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },

    // 取消按钮（数据权限）
    cancelDataScope() {
      this.openDataScope = false;
      this.reset();
    },

    // 表单重置
    reset() {
      if (this.$refs.menu !== undefined) {
        this.$refs.menu.setCheckedKeys([]);
      }
      this.menuNodeAll = false;
      this.form = {
        roleId: undefined,
        roleName: "",
        roleKey: "",
        roleSort: 0,
        status: "0",
        menuIds: [],
        dataScope: "",
        remark: ""
      };
      this.resetForm("form");
    },

    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNumber = 1;
      this.getList();
    },

    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = [];
      this.resetForm("queryForm");
      // this.handleQuery();
    },

    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.roleId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },

    // 更多操作触发
    handleCommand(command, row) {
      switch (command) {
        case "handleDataScope":
          this.handleDataScope(row);
          break;
        case "handleAuthUser":
          this.handleAuthUser(row);
          break;
        default:
          break;
      }
    },

    // 树权限（展开/折叠）
    handleCheckedTreeExpand(value, type) {
      if (type === "menu") {
        const treeList = this.menuOptions;
        for (let i = 0; i < treeList.length; i++) {
          this.$refs.menu.store.nodesMap[treeList[i].id].expanded = value;
        }
      } else if (type === "dept") {
        const treeList = this.deptOptions;
        for (let i = 0; i < treeList.length; i++) {
          this.$refs.dept.store.nodesMap[treeList[i].id].expanded = value;
        }
      }
    },

    // 树权限（全选/全不选）
    handleCheckedTreeNodeAll(value, type) {
      if (type === "menu") {
        this.$refs.menu.setCheckedNodes(value ? this.menuOptions : []);
      } else if (type === "dept") {
        this.$refs.dept.setCheckedNodes(value ? this.deptOptions : []);
      }
    },

    // 树权限（父子联动）
    handleCheckedTreeConnect(value, type) {
      this.menuCheckStrictly = !!value;
    },

    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.getMenuTreeselect();
      this.open = true;
      this.title = "添加角色";
    },

    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const roleId = row.roleId || this.ids;
      const roleMenu = this.getRoleMenuTreeselect(roleId);
      getRole(roleId).then(response => {
        this.form = response.result;
        this.$delete(this.form, "createTime");
        this.$delete(this.form, "updateTime");
        this.$delete(this.form, "delFlag");
        this.open = true;
        this.$nextTick(() => {
          roleMenu.then(res => {
            const checkedKeys = res.checkedKeys;
            checkedKeys.forEach(v => {
              this.$nextTick(() => {
                this.$refs.menu.setChecked(v, true, false);
              });
            });
          });
        });
        this.title = "修改角色";
      });
    },

    /** 选择角色权限范围触发 */
    dataScopeSelectChange(value) {
      if (value !== "2") {
        this.$refs.dept.setCheckedKeys([]);
      }
    },

    /** 分配数据权限操作 */
    handleDataScope(row) {
      this.reset();
      const roleDeptTreeselect = this.getRoleDeptTreeselect(row.roleId);
      getRole(row.roleId).then(response => {
        this.form = response.data;
        this.openDataScope = true;
        this.$nextTick(() => {
          roleDeptTreeselect.then(res => {
            this.$refs.dept.setCheckedKeys(res.checkedKeys);
          });
        });
        this.title = "分配数据权限";
      });
    },

    /** 分配用户操作 */
    handleAuthUser: function(row) {
      const roleId = row.roleId;
      this.$router.push("/auth/user/" + roleId);
    },

    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.roleId !== undefined) {
            this.form.menuIds = this.getMenuAllCheckedKeys();
            updateRole(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            this.form.menuIds = this.getMenuAllCheckedKeys();
            addRole(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },

    /** 提交按钮（数据权限） */
    submitDataScope: function() {
      if (this.form.roleId !== undefined) {
        this.form.deptIds = this.getDeptAllCheckedKeys();
        dataScope(this.form).then(response => {
          this.msgSuccess("修改成功");
          this.openDataScope = false;
          this.getList();
        });
      }
    },

    /** 删除按钮操作 */
    handleDelete(row) {
      const roleIds = row.roleId || this.ids;
      this.$confirm(
        '是否确认删除角色编号为"' + roleIds + '"的数据项?',
        "警告",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delRole(roleIds);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },

    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm("是否确认导出所有角色数据项?", "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
          this.exportLoading = true;
          return exportRole(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    }

  }
};
</script>
